Home / 6,995.20-9,653.36-3,851.39

Finding the Fourth Proportional to 6,995.20, 9,653.36 and 3,851.39

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Solution

The fourth proportional to 6,995.20, 9,653.36 and 3,851.39 is: 5,314.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,995.20 : 9,653.36 = 3,851.39 : x
  2. Step 2: Convert to fraction form
    6,995.20/9,653.36 = 3,851.39/x
  3. Step 3: Cross multiply
    6,995.20x = 9,653.36 × 3,851.39
  4. Step 4: Simplify right side
    6,995.20x = 37,178,786.65
  5. Step 5: Solve for x
    x = 37,178,786.65/6,995.20
  6. Step 6: Final answer
    x = 5,314.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.